901000983805 has 32 divisors (see below), whose sum is σ = 1168268976000. Its totient is φ = 663130651392.

The previous prime is 901000983781. The next prime is 901000983833. The reversal of 901000983805 is 508389000109.

It is a cyclic number.

It is not a de Polignac number, because 901000983805 - 2⁷ = 901000983677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23598871 + ... + 23637019.

It is an arithmetic number, because the mean of its divisors is an integer number (36508405500).

Almost surely, 2^901000983805 is an apocalyptic number.

It is an amenable number.

901000983805 is a deficient number, since it is larger than the sum of its proper divisors (267267992195).

901000983805 is a wasteful number, since it uses less digits than its factorization.

901000983805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39373.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 901000983805 in words is "nine hundred one billion, nine hundred eighty-three thousand, eight hundred five".